ketchup 1.0.1+git20111228+e1c62066-2 (arm64 binary) in ubuntu focal

 This utility can update (or install) kernel sources automatically.
 It can search for the newest kernel in numerous trees (vanilla, rc,
 tiny, mm, mjb, etc.).
 .
 It can also automatically download the needed patches (and apply
 them) to create the newest repository from an old one.